All 2 entries tagged Diagonal Sudoku

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February 05, 2010

Friday Puzzles #30

Oh no I didn’t! You’d better solve this one in a hurry lest anyone look over your shoulder and think you’re some kind of communist scumbag!

Two versions of the “same” diagonal puzzle this week. One is fairly challenging (emphasis on fair there), the other is very challenging, and probably unfair (at least for the purposes of competition). If you’re the sort of person who naively challenges themselves to try the hardest things possible, even when advised not to, then let me say to you the words “Y” and “wing”.

Enjoy!

#035 Diagonal Sudoku – rated hard
[censored due to provocative nature of the design of the puzzle]

#035a Diagonal Sudoku – rated (too) hard
[links directly to the puzzle, which is the “same” but harder.]

All puzzles © Tom Collyer 2009-10


January 29, 2010

Friday Puzzles #29

Ok, so here’s part one of my mini-crusade to provide a more enjoyable alternative to those who can’t have a go at the UK WSC qualifiers. And indeed to those who have done or will do them. Puzzler have bastardised the name of diagonal sudoku, and instead call it “X-Factor”. In my opinion this sounds really quite stupid, but there we go, I’m not a marketeer.

This is the first time I’ve written a sudoku puzzle introducing the diagonal constraint. I think It turned out quite nicely, and should make a good warm-up for the coming harder diagonal puzzle.

Incidentally, the remaining puzzles for this initial section will be a harder diagonal, two classic sudoku puzzles, and a killer. Bearing in mind I think the Puzzler killer generator is actually quite good, I’m going to have my work cut out with that, but those are worries for another time. For now, enjoy!

#034 Diagonal Sudoku – rated medium

All puzzles © Tom Collyer 2009-10


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Welcome to the blog of current UKPA sudoku champion, two-time Times national sudoku champion and general logic puzzle fan Tom Collyer.



Home of the original Friday Puzzles, each Friday I publish a 100% original and handmade logic puzzle, inspired by the world-famous Nikoli company.


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Latest comments

  • I like the appearance of the solution. :P Nice one. by Prasanna Seshadri on this entry
  • I think I've seen something vaguely similar in some of Palmer's puzzles as well. To be honest I've a… by on this entry
  • That's two puzzles in a row where I find something I had used before. I know, not plagiarism; just g… by Bram on this entry
  • Kota, that's not really true. I had made my puzzle before going to the WPC already. Also I don't hav… by Bram on this entry
  • About 20 minutes, after restarting from a mistaken conclusion. by Bryce Herdt on this entry

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